package com.example.bankmanage.util;//package com.example.util;
//
//import cn.afterturn.easypoi.excel.ExcelExportUtil;
//import cn.afterturn.easypoi.excel.ExcelImportUtil;
//import cn.afterturn.easypoi.excel.entity.ExportParams;
//import cn.afterturn.easypoi.excel.entity.ImportParams;
//import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
//import org.apache.commons.lang3.StringUtils;
//import org.apache.poi.ss.usermodel.Workbook;
//import org.springframework.web.multipart.MultipartFile;
//
//import javax.servlet.http.HttpServletResponse;
//import java.io.File;
//import java.io.IOException;
//import java.net.URLEncoder;
//import java.util.List;
//import java.util.Map;
//import java.util.NoSuchElementException;
//
///**
// * Excel导入导出工具类
// * @author pangu
// */
//public class ExcelUtil {
//
//    /**
//     * 导出工具类
//     * @param list
//     * @param title
//     * @param sheetName
//     * @param pojoClass
//     * @param fileName
//     * @param isCreateHeader
//     * @param response
//     */
//    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass,
//                                   String fileName, boolean isCreateHeader, HttpServletResponse response){
//        ExportParams exportParams = new ExportParams(title, sheetName);
//        exportParams.setCreateHeadRows(isCreateHeader);
//        defaultExport(list, pojoClass, fileName, response, exportParams);
//    }
//
//    /**
//     * 导出工具类
//     * @param list
//     * @param title
//     * @param sheetName
//     * @param pojoClass
//     * @param fileName
//     * @param response
//     */
//    public static void exportExcel(List<?> list, String title, String sheetName, Class<?> pojoClass,String fileName,
//                                   HttpServletResponse response){
//        defaultExport(list, pojoClass, fileName, response, new ExportParams(title, sheetName));
//    }
//
//    public static void exportExcel(List<Map<String, Object>> list, String fileName, HttpServletResponse response){
//        defaultExport(list, fileName, response);
//    }
//
//    private static void defaultExport(List<?> list, Class<?> pojoClass, String fileName,
//                                      HttpServletResponse response, ExportParams exportParams) {
//        Workbook workbook = ExcelExportUtil.exportExcel(exportParams,pojoClass,list);
//        if (workbook != null); downLoadExcel(fileName, response, workbook);
//    }
//
//    private static void downLoadExcel(String fileName, HttpServletResponse response, Workbook workbook) {
//        try {
//            response.setCharacterEncoding("UTF-8");
//            response.setHeader("content-Type", "application/vnd.ms-excel");
//            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
//            workbook.write(response.getOutputStream());
//        } catch (IOException e) {
//            //throw new NormalException(e.getMessage());
//        }
//    }
//
//    private static void defaultExport(List<Map<String, Object>> list, String fileName, HttpServletResponse response) {
//        Workbook workbook = ExcelExportUtil.exportExcel(list, ExcelType.HSSF);
//        if (workbook != null);
//        downLoadExcel(fileName, response, workbook);
//    }
//
//    public static <T> List<T> importExcel(String filePath,Integer titleRows,Integer headerRows, Class<T> pojoClass){
//        if (StringUtils.isBlank(filePath)){
//            return null;
//        }
//        ImportParams params = new ImportParams();
//        params.setTitleRows(titleRows);
//        params.setHeadRows(headerRows);
//        List<T> list = null;
//        try {
//            list = ExcelImportUtil.importExcel(new File(filePath), pojoClass, params);
//        }catch (NoSuchElementException e){
//            //throw new NormalException("模板不能为空");
//        } catch (Exception e) {
//            e.printStackTrace();
//            //throw new NormalException(e.getMessage());
//        } return list;
//    }
//
//    public static <T> List<T> importExcel(MultipartFile file, Integer titleRows, Integer headerRows, Class<T> pojoClass){
//        if (file == null){ return null;
//        }
//        ImportParams params = new ImportParams();
//        params.setTitleRows(titleRows);
//        params.setHeadRows(headerRows);
//        List<T> list = null;
//        try {
//            list = ExcelImportUtil.importExcel(file.getInputStream(), pojoClass, params);
//        }catch (NoSuchElementException e){
//            // throw new NormalException("excel文件不能为空");
//        } catch (Exception e) {
//            //throw new NormalException(e.getMessage());
//            System.out.println(e.getMessage());
//        }
//        return list;
//    }
//
//}
//
